Home / 3,619.20-4,994.64-2,047.44

Finding the Fourth Proportional to 3,619.20, 4,994.64 and 2,047.44

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Solution

The fourth proportional to 3,619.20, 4,994.64 and 2,047.44 is: 2,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.20 : 4,994.64 = 2,047.44 : x
  2. Step 2: Convert to fraction form
    3,619.20/4,994.64 = 2,047.44/x
  3. Step 3: Cross multiply
    3,619.20x = 4,994.64 × 2,047.44
  4. Step 4: Simplify right side
    3,619.20x = 10,226,225.72
  5. Step 5: Solve for x
    x = 10,226,225.72/3,619.20
  6. Step 6: Final answer
    x = 2,825.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.